html{
    font-size: 13.333333vw;
}

html,body{
    height: 100%;
}
body{
    display: flex;
    flex-direction: column;
    font-size: 12px;
}

.header{
    height: .88rem;
    background: linear-gradient(to right,#ff7238,#ff5d32,#ff3f29,#ff201f);
}
.content{
    flex:1;
    overflow-y: auto;
}

.footer{
    height: .98rem;
    box-shadow: 0 -3px 10px #ccc;
}